Hubert Sloma


SQLServerCentral Article

How to (Somewhat) Increase SQL Server Security

Problem Some time ago Argenis Fernandez(@DBArgenis) found and described a vulnerability that allows you to get into SQL Server with 'sa' rights. This method does not require a restart of the SQL Server service or the whole machine, the condition is a local administrator account on the server. Reminder SQL Server until 2008R2: Until SQL 2008R2, […]

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2022-01-03

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Question of the Day

BIT_COUNT() III

In SQL Server 2025, I run this code:

select bit_count(-1)
What is returned?

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